The babysitter's spirit "Nanny Tree" that always appears to everyone when a person is born. The girl, Tsuru's nanny tree, did not wake up, and Tsuru closed her heart from her feelings of alienation and loneliness. However, on the 17th birthday of the vine, the nanny tree woke up as a beautiful young man. It is said that young people will die if they do not kiss once a day. Tsuru, who doesn't know love yet, is just confused by the young man.